Is all AdBlue the same?

I have a 2016 VW Touareg Escape with an Ad Blue tank. When I bought the car I had no experience of this AdBlue stuff. There is no way to check the tank other than push a dry stick in. It appeared to be rather low so I added some. The car was serviced in February locally, since then I've done about 5 or 6 thousand miles. Yesterday I had a notice spring up to say the ad blue is low. I have now put about 12 pints in.

I have two questions re this, 1. Approximately how far can \ expect the car to go after this message? and 2., there are so many places selling Ad Blue at fantastically different prices are they all of a similar standard? Thanks for your help,

Asked on 4 January 2024 by Ben Griffiths

Answered by David Ross
The amount of AdBlue required by your vehicle will depend on how the car is driven, but also the size of the tank fitted to your vehicle as both 12-litre and 24-litre AdBlue tanks were available when new. The harder the engine is working, the more AdBlue that will be consumed in order to reduce exhaust emissions, so city driving or towing will result in greater consumption, while steady motorway driving will result in lower consumption. You should expect to travel between 5,000 and 10,000 miles depending on driving style and the size of the AdBlue tank.

When purchasing AdBlue it is important to use a reputable retailer and ensure it carries the registered trademark symbol, indicating it is the correct formulation for use in passenger vehicles.
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